UI-redesign some intermediatory changes:
* Added a new function to viewcontroller
* Some checks related to if the user is following any rooms
* A few changes related to removing DOM elements in infiniteScroll
Merge branch 'ui-redesign' of http://github.com/scrollback/scrollback into ui-redesign

Conflicts:
	http/views/d/main.jade
	public/dummy.less
	public/sdk/controller.js